WO2022151217A1 - Appareil et procédé de transmission d'informations, dispositif de communication et support de stockage - Google Patents

Appareil et procédé de transmission d'informations, dispositif de communication et support de stockage Download PDF

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Publication number
WO2022151217A1
WO2022151217A1 PCT/CN2021/071867 CN2021071867W WO2022151217A1 WO 2022151217 A1 WO2022151217 A1 WO 2022151217A1 CN 2021071867 W CN2021071867 W CN 2021071867W WO 2022151217 A1 WO2022151217 A1 WO 2022151217A1
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Prior art keywords
reference signal
sfn
indication information
bits
state
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PCT/CN2021/071867
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English (en)
Chinese (zh)
Inventor
李艳华
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北京小米移动软件有限公司
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Priority to CN202180000222.1A priority Critical patent/CN115088309A/zh
Priority to PCT/CN2021/071867 priority patent/WO2022151217A1/fr
Publication of WO2022151217A1 publication Critical patent/WO2022151217A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements

Definitions

  • the present application relates to the field of wireless communication technologies, but is not limited to the field of wireless communication technologies, and in particular, to information transmission methods, apparatuses, communication devices, and storage media.
  • the time unit of synchronization between UE and base station is the system frame.
  • the UE performs synchronization based on the system frame number (SFN, System Frame Number).
  • SFN System Frame Number
  • One SFN is 10ms, and the value range of SFN is 0-1023. When the SFN reaches 1023, it restarts from 0, and the maximum period of the SFN is 1024 system frames, that is, 10.24 seconds.
  • the paging cycle and DRX cycle need to be less than 10.24 seconds.
  • one super system frame corresponds to 1024 system frames, that is, one super frame is equal to 10.24s
  • the value range of H-SFN is 0-1023
  • the maximum period of H-SFN is 1024 H-SFNs, that is, 2.9127 hours.
  • embodiments of the present disclosure provide an information transmission method, apparatus, communication device, and storage medium.
  • an information transmission method is provided, wherein, applied to a base station, the method includes:
  • an information transmission method wherein, applied to a user equipment UE, the method includes:
  • the reference signal carries the super system frame number H-SFN.
  • an information transmission apparatus wherein, applied to a base station, the apparatus includes: a first sending module, wherein:
  • the first sending module is configured to send indication information indicating that the reference signal carries the state of the super system frame number H-SFN.
  • an information transmission apparatus wherein, applied to a user equipment UE, the apparatus includes: a first receiving module and a first determining module, wherein,
  • the first receiving module configured to receive indication information
  • the first determining module is configured to determine a state in which the reference signal carries the super system frame number H-SFN according to the indication information.
  • a communication equipment apparatus including a processor, a memory, and an executable program stored on the memory and executable by the processor, wherein the processor executes the executable program.
  • the program executes the executable program.
  • a storage medium on which an executable program is stored, wherein when the executable program is executed by a processor, the information transmission method according to the first aspect or the second aspect is implemented A step of.
  • the base station sends the indication information indicating the state that the reference signal carries the super system frame number H-SFN.
  • the base station can explicitly indicate the reference signal through the indication information.
  • the state of carrying H-SFN On the one hand, the base station can flexibly choose whether to carry the H-SFN in the reference signal, and the bits of the H-SFN, etc., and inform the UE through the indication information, which improves the reference signal carrying H-SFN. flexibility.
  • the UE can determine the position of reading the H-SFN based on the indication information, so as to reduce the reading error caused by the uncertainty of the position of the H-SFN, and improve the efficiency of reading the H-SFN.
  • FIG. 1 is a schematic structural diagram of a wireless communication system according to an exemplary embodiment
  • FIG. 2 is a schematic flowchart of an information transmission method according to an exemplary embodiment
  • FIG. 3 is a schematic flowchart of another information transmission method according to an exemplary embodiment
  • FIG. 4 is a block diagram of an information transmission apparatus according to an exemplary embodiment
  • FIG. 5 is a block diagram of another information transmission apparatus according to an exemplary embodiment
  • Fig. 6 is a block diagram of an apparatus for information transmission or information transmission according to an exemplary embodiment.
  • first, second, third, etc. may be used in embodiments of the present disclosure to describe various pieces of information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • the word "if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
  • FIG. 1 shows a schematic structural diagram of a wireless communication system provided by an embodiment of the present disclosure.
  • the wireless communication system is a communication system based on cellular mobile communication technology, and the wireless communication system may include: several terminals 11 and several base stations 12 .
  • the terminal 11 may be a device that provides voice and/or data connectivity to the user.
  • the terminal 11 may communicate with one or more core networks via a radio access network (RAN), and the terminal 11 may be an IoT terminal such as a sensor device, a mobile phone (or "cellular" phone) and a
  • RAN radio access network
  • the computer of the IoT terminal for example, may be a fixed, portable, pocket, hand-held, built-in computer or a vehicle-mounted device.
  • a station For example, a station (Station, STA), a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile station), a mobile station (mobile), a remote station (remote station), an access point, a remote terminal ( remote terminal), access terminal (access terminal), user device (user terminal), user agent (user agent), user equipment (user device), or user equipment (user equipment, UE).
  • the terminal 11 may also be a device of an unmanned aerial vehicle.
  • the terminal 11 may also be a vehicle-mounted device, for example, a trip computer with a wireless communication function, or a wireless communication device externally connected to the trip computer.
  • the terminal 11 may also be a roadside device, for example, a street light, a signal light, or other roadside devices with a wireless communication function.
  • the base station 12 may be a network-side device in a wireless communication system.
  • the wireless communication system may be the 4th generation mobile communication (4G) system, also known as the Long Term Evolution (Long Term Evolution, LTE) system; or, the wireless communication system may also be a 5G system, Also known as new radio (NR) system or 5G NR system.
  • the wireless communication system may also be a next-generation system of the 5G system.
  • the access network in the 5G system can be called NG-RAN (New Generation-Radio Access Network, a new generation of radio access network).
  • the MTC system may be a network-side device in a wireless communication system.
  • the base station 12 may be an evolved base station (eNB) used in the 4G system.
  • the base station 12 may also be a base station (gNB) that adopts a centralized distributed architecture in a 5G system.
  • eNB evolved base station
  • gNB base station
  • the base station 12 adopts a centralized distributed architecture it usually includes a centralized unit (central unit, CU) and at least two distributed units (distributed unit, DU).
  • the centralized unit is provided with a protocol stack of a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control Protocol (Radio Link Control, RLC) layer, and a Media Access Control (Media Access Control, MAC) layer; distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 12 is not limited in this embodiment of the present disclosure.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control Protocol
  • MAC Media Access Control
  • distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 12 is not limited in this embodiment of the present disclosure.
  • a wireless connection can be established between the base station 12 and the terminal 11 through a wireless air interface.
  • the wireless air interface is a wireless air interface based on the fourth generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth generation mobile communication network technology (5G) standard, such as
  • the wireless air interface is a new air interface; alternatively, the wireless air interface may also be a wireless air interface based on a 5G next-generation mobile communication network technology standard.
  • an E2E (End to End, end-to-end) connection may also be established between the terminals 11 .
  • V2V vehicle to vehicle, vehicle-to-vehicle
  • V2I vehicle to Infrastructure, vehicle-to-roadside equipment
  • V2P vehicle to pedestrian, vehicle-to-person communication in vehicle-to-everything (V2X) communication etc. scene.
  • the above wireless communication system may further include a network management device 13 .
  • the network management device 13 may be a core network device in a wireless communication system, for example, the network management device 13 may be a mobility management entity (Mobility Management Entity) in an evolved packet core network (Evolved Packet Core, EPC). MME).
  • the network management device may also be other core network devices, such as a serving gateway (Serving GateWay, SGW), a public data network gateway (Public Data Network GateWay, PGW), a policy and charging rule functional unit (Policy and Charging Rules) Function, PCRF) or home subscriber server (Home Subscriber Server, HSS), etc.
  • the implementation form of the network management device 13 is not limited in this embodiment of the present disclosure.
  • the execution bodies involved in the embodiments of the present disclosure include, but are not limited to, UEs such as mobile phone terminals that support cellular mobile communication, and base stations.
  • An application scenario of the embodiment of the present disclosure is that, since the value range of the H-SFN is 0-1023, 10 bits need to be used to represent different H-SFNs.
  • a downlink reference signal of the base station or the like can be used to carry at least 1 bit of the 10 bits of the H-SFN.
  • this exemplary embodiment provides an information transmission method, and the information transmission method can be applied to a base station, including:
  • Step 201 Send indication information indicating the state that the reference signal carries the H-SFN.
  • H-SFN The value range of H-SFN is 0-1023, and 10 bits are required to represent different H-SFNs.
  • the base station may divide the H-SFN into multiple parts, for example, the base station may divide the H-SFN into two parts, the first part has n bits, and the second part has 10-n bits.
  • the n bits of the first part can be bits in any position of the H-SFN.
  • the n bits of the first part can be the n bits of the high order of the H-SFN, or the n bits of the low order of the H-SFN. bit.
  • n may be less than or equal to the number of bits of the H-SFN, that is, n may be a positive integer less than or equal to 10.
  • the base station can carry n bits in the reference signal and send it to the UE, and carry the other 10-n bits in downlink information different from the indication information, for example, the other 10-n bits can carry Sent to the UE in a system message.
  • the base station may also carry the entire H-SFN in a reference signal and send it to the UE without dividing the H-SFN, or carry the entire H-SFN in a system message and send it to the UE.
  • the reference signal includes: Tracking Reference Signal (TRS, Tracking Reference Signal) or Channel State Indication Reference Signal (CSI-RS, Channel State Information Reference Signal).
  • TRS Tracking Reference Signal
  • CSI-RS Channel State Information Reference Signal
  • the base station may carry one or more bits of the H-SFN through TRS or CSI-RS.
  • TRS or CRS can be configured to be closer to the paging occasion PO, while the original synchronization signal block SSB is farther away from the PO, so the user needs to wake up a long time in advance to synchronize with the SSB. After using TRS or CRS, you can wake up later, so you can save more power.
  • the TRS or CSI-RS is at least used for downlink synchronization for user equipment UEs in an idle state or an inactive state.
  • the TRS or CSI-RS may be the TRS or CSI-RS shared by UEs in idle state or inactive state and shared with UEs in connected state.
  • the idle state UE or the inactive state UE, and the connected state UE can monitor the TRS or CSI-RS at the shared TRS or CSI-RS timing.
  • the state that the reference signal carries the H-SFN can be at least used for the UE to determine the location of the bits of the H-SFN, and the state that the reference signal carries the H-SFN includes, but is not limited to, whether the reference signal carries the H-SFN; - The position of the SFN in the reference signal; whether the reference signal carries all the bits of the H-SFN, etc.
  • the base station can explicitly indicate the state that the reference signal carries H-SFN through the indication information.
  • the indication information informs the UE, which improves the flexibility of the reference signal to carry the H-SFN.
  • the UE can determine the position of reading the H-SFN based on the indication information, so as to reduce the reading error caused by the uncertainty of the position of the H-SFN, and improve the efficiency of reading the H-SFN.
  • the indication information is used to indicate whether the reference signal carries at least one bit of the H-SFN.
  • the base station may send indication information, indicating that the reference information carries at least one bit of the H-SFN.
  • the base station may send indication information indicating that the reference information does not carry the bits of the H-SFN.
  • the UE may determine whether the reference signal carries at least one bit of the H-SFN based on the indication information, and if so, it may determine at least one bit of the H-SFN from the reference signal, otherwise, it may be based on a direct predetermined or The agreement of the communication protocol to determine the H-SFN from other information, such as system messages.
  • the indication information is used to indicate the number of bits of the H-SFN carried by the reference signal.
  • the base station may send indication information indicating the number of bits carrying the H-SFN in the reference information.
  • the UE may determine the number of bits of the H-SFN carried by the reference signal based on the indication information, and then determine the corresponding number of bits from the reference signal.
  • the number of bits that the reference signal carries the H-SFN may implicitly indicate that the reference signal carries the bits of the H-SFN.
  • the indication information is used to indicate the number of low-order bits of the H-SFN carried by the reference signal.
  • the number of bits of the H-SFN carried by the reference signal indicated by the indication information may be the number of bits of the lower order of the H-SFN.
  • the indication information may indicate that the lower 1 bit of the H-SFN is carried, or the lower 2 bits bit.
  • the UE only needs the lowest n bits for synchronization.
  • a superframe occupies 10.24s in the time domain, that is, the lowest bit of the H-SFN can identify plus or minus 10.24 seconds; the two lowest two bits can identify plus or minus 20.56 seconds.
  • the UE may only need the H-SFN carried in the indication information.
  • the lower n bits of determine the synchronization deviation, and then complete the synchronization. It is no longer necessary to read the remaining H-SFN bits in SIB1. Thus, the power consumption generated by reading the SIB1 is reduced, thereby saving power.
  • the UE may only need to determine the synchronization offset from the lowest bit of the H-SFN carried in the indication information to complete synchronization, and n may be selected as 1.
  • the UE only needs to determine the synchronization offset from the lower two bits of the H-SFN carried in the indication information, and then complete the synchronization, and n can be selected as 2.
  • the UE may determine the number of low-order bits of the H-SFN carried by the reference signal based on the indication information, and then determine the corresponding number of low-order bits in the reference signal.
  • the sending the indication information indicating that the reference signal carries the state of the H-SFN includes at least one of the following:
  • the unicast indicates that the reference signal carries the indication information of the state of the H-SFN.
  • the base station may send the indication information to the UE in the form of broadcast and/or unicast.
  • the base station may carry the indication information in the broadcast message.
  • the UE may determine from the broadcast message that the reference signal carries the indication information of the state of the H-SFN.
  • the base station may carry the indication information in the existing unicast signaling or newly added dedicated unicast signaling to send the indication information to the UE.
  • the UE may determine from the unicast signaling that the reference signal carries the indication information of the state of the H-SFN.
  • the sending the indication information indicating that the reference signal carries the state of the H-SFN includes:
  • a second downlink message carrying the indication information is sent, wherein the second downlink message is different from the third downlink message carrying the configuration information of the reference signal.
  • the indication information and the configuration information of the reference signal may be carried in the same downlink message and sent to the UE.
  • the UE may at least determine the transmission resource of the reference signal based on the configuration information of the reference signal, and may determine the state that the reference signal carries the H-SFN based on the indication information. In this way, the utilization efficiency of downlink messages is improved.
  • the UE determines the bits of the H-SFN from the reference information.
  • the UE determines the bit of the H-SFN from other information such as a system message.
  • the indication information and the configuration information of the reference signal may also be carried in different downlink messages and sent to the UE. After receiving a downlink message, the UE may at least determine the transmission resource of the reference signal based on the configuration information of the reference signal. After receiving another downlink message, the UE may determine the state that the reference signal carries the H-SFN based on the indication information. In this way, the flexibility of carrying the configuration information and indication information of the reference signal can be improved.
  • the downlink messages include but are not limited to: Radio Resource Control (RRC, Radio Resource Control) messages.
  • RRC Radio Resource Control
  • Radio Resource Control Radio Resource Control
  • the method further includes:
  • reference signal activation indication information In response to the reference signal carrying at least one bit of the H-SFN, send reference signal activation indication information, where the reference signal activation indication information is used to indicate the activation state of the reference signal, that is, whether to activate .
  • the availability state of the reference signal In response to the base station notifying the UE that the reference signal it sends carries at least one bit of the H-SFN, the availability state of the reference signal also needs to be notified to the UE in advance by the base station through the reference signal activation indication information.
  • the reference signal activation indication information indicates that the available state of the reference signal, such as TRS or CRS, is expressed as the activation state of the resource:
  • the reference signal activation indication information can indicate that the reference signal is in the active state, the configuration of the reference signal resource is reasonable, and the network is actually sending the reference signal corresponding to the resource; at this time, for the UE, the reference signal is available; the network expects The UE receives the reference signal using the resources of the reference signal.
  • the UE may monitor the reference signal, and determine a state in which the reference signal carries the H-SFN based on the indication information carried by the reference signal.
  • the reference signal activation indication information may indicate that the reference signal is in an inactive state, the configuration of the reference signal resource is unreasonable, or the resource configuration is reasonable but the network is not actually sending the reference signal corresponding to the resource; In other words, the reference signal is not available; the network does not expect the terminal to use the reference signal.
  • the UE may determine the H-SFN based on other information such as system information.
  • the sending reference signal activation indication information includes at least one of the following:
  • DCI Downlink Control Information
  • the base station may carry the reference signal activation indication information through broadcast information, for example, by carrying the reference signal activation indication information in the system message.
  • the base station may also carry the reference signal activation indication information through dedicated signaling such as an RRC message or DCI.
  • the sending the indication information indicating that the reference signal carries the state of the H-SFN includes at least one of the following:
  • the base station notifies the UE of the activation state of the reference signal through broadcast signaling or dedicated signaling, such as RRC message or DCI, and may also carry indication information to inform the UE whether the reference signal it sends carries at least one bit of the H-SFN. bit.
  • the amount of information carried by broadcast signaling or dedicated signaling, such as RRC messages or DCI, can be increased, thereby increasing transmission efficiency.
  • the method further includes:
  • n is a positive integer greater than or equal to 1 and less than or equal to m, where m is the number of bits of the H-SFN .
  • H-SFN The value range of H-SFN is 0-1023, and 10 bits are required to represent different H-SFNs.
  • the first part has n bits and the second part has 10-n bits.
  • the n bits of the first part can be bits in any position of the H-SFN.
  • the n bits of the first part can be the n bits of the high order of the H-SFN, or the n bits of the low order of the H-SFN. bit.
  • the base station can carry n bits in the reference information and send it to the UE, and carry the other 10-n bits in the downlink information different from the indication information.
  • the other 10-n bits can be carried in the downlink information. It is sent to the UE in SIB1.
  • the base station may also carry all 10 bits of the H-SFN in the reference signal and send it to the UE.
  • the reference signal may be a TRS or a CSI-RS
  • the TRS or CSI-RS may be a shared TRS or CSI-RS, that is, a reference signal that can be used in a connected state, an idle state or an active state at the same time.
  • the sending the indication information indicating that the reference signal carries the state of the H-SFN includes:
  • the indication information indicating that the reference signal carries the state of the H-SFN is sent.
  • the eDRX cycle is long, and the super system frame needs to be used for synchronization.
  • H-SFN needs to be indicated.
  • the base station may indicate the status of the bits of the H-SFN through the indication information.
  • the eDRX mode includes:
  • Idle eDRX mode or inactive eDRX mode Idle eDRX mode or inactive eDRX mode.
  • the eDRX mode can be applied to UEs in idle state or UEs in inactive state.
  • the UE and the base station use super system frames for synchronization.
  • the base station may indicate the status of the bits of the H-SFN through the indication information.
  • this exemplary embodiment provides an information transmission method, and the information transmission method can be applied to user equipment, including:
  • Step 301 receiving indication information
  • Step 302 According to the indication information, determine the state that the reference signal carries the H-SFN.
  • H-SFN The value range of H-SFN is 0-1023, and 10 bits are required to represent different H-SFNs.
  • the base station may divide the H-SFN into multiple parts, for example, the base station may divide the H-SFN into two parts, the first part has n bits, and the second part has 10-n bits.
  • the n bits of the first part can be bits in any position of the H-SFN.
  • the n bits of the first part can be the n bits of the high order of the H-SFN, or the n bits of the low order of the H-SFN. bit.
  • n may be less than or equal to the number of bits of the H-SFN, that is, n may be a positive integer less than or equal to 10.
  • the base station can carry n bits in the reference signal and send it to the UE, and carry the other 10-n bits in downlink information different from the indication information, for example, the other 10-n bits can carry Sent to the UE in a system message.
  • the base station may also carry the entire H-SFN in a reference signal and send it to the UE without dividing the H-SFN, or carry the entire H-SFN in a system message and send it to the UE.
  • the reference signal includes: TRS or CSI-RS.
  • the base station may carry one or more bits of the H-SFN through TRS or CSI-RS.
  • TRS or CRS can be configured to be closer to the paging occasion PO, while the original SSB is farther away from the PO, so the user needs to wake up a long time in advance to synchronize with the SSB. After using TRS or CRS, you can wake up later, so you can save more power.
  • the TRS or CSI-RS is at least used for downlink synchronization for user equipment UEs in an idle state or an inactive state.
  • the TRS or CSI-RS may be the TRS or CSI-RS shared by UEs in idle state or inactive state and shared with UEs in connected state.
  • the idle state UE or the inactive state UE, and the connected state UE can monitor the TRS or CSI-RS at the shared TRS or CSI-RS timing.
  • the state that the reference signal carries the H-SFN can be at least used for the UE to determine the location of the bits of the H-SFN, and the state that the reference signal carries the H-SFN includes, but is not limited to, whether the reference signal carries the H-SFN; - The position of the SFN in the reference signal; whether the reference signal carries all the bits of the H-SFN, etc.
  • the base station can explicitly indicate the state that the reference signal carries the H-SFN through the indication information.
  • the indication information informs the UE, which improves the flexibility of the reference signal to carry the H-SFN.
  • the UE can determine the position of reading the H-SFN based on the indication information, so as to reduce the reading error caused by the uncertainty of the position of the H-SFN, and improve the efficiency of reading the H-SFN.
  • the determining, according to the indication information, that the reference signal carries the H-SFN state includes:
  • the indication information it is determined whether the reference signal carries at least one bit of the H-SFN.
  • the base station may send indication information, indicating that the reference information carries at least one bit of the H-SFN.
  • the base station may send indication information indicating that the reference information does not carry the bits of the H-SFN.
  • the UE may determine whether the reference signal carries at least one bit of the H-SFN based on the indication information, and if so, it may determine at least one bit of the H-SFN from the reference signal, otherwise, it may be based on a direct predetermined or The agreement of the communication protocol to determine the H-SFN from other information, such as system messages.
  • the determining, according to the indication information, that the reference signal carries the H-SFN status includes:
  • the number of bits of the H-SFN carried by the reference signal is determined according to the indication information.
  • the base station may send indication information indicating the number of bits carrying the H-SFN in the reference information.
  • the UE may determine the number of bits of the H-SFN carried by the reference signal based on the indication information, and then determine the corresponding number of bits from the reference signal.
  • the number of bits that the reference signal carries the H-SFN may implicitly indicate that the reference signal carries the bits of the H-SFN.
  • the determining the number of bits of the H-SFN carried by the reference signal according to the indication information includes:
  • the reference signal carries the number of low-order bits of the H-SFN.
  • the number of bits of the H-SFN carried by the reference signal indicated by the indication information may be the number of bits of the lower order of the H-SFN.
  • the indication information may indicate that the lower 1 bit of the H-SFN is carried, or the lower 2 bits bit.
  • the UE only needs the lowest n bits for synchronization.
  • a superframe occupies 10.24s in the time domain, that is, the lowest bit of the H-SFN can identify plus or minus 10.24 seconds; the two lowest two bits can identify plus or minus 20.56 seconds.
  • the UE For the case where the UE is configured with the eDRX mode, if the duration identified by n bits is greater than or equal to the longest eDRX cycle, the UE only needs to determine the synchronization offset from the lower n bits of the H-SFN carried in the indication information to complete the synchronization. It is no longer necessary to read the remaining H-SFN bits in SIB1. Thus, the power consumption generated by reading the SIB1 is reduced, thereby saving power.
  • the UE may only need to determine the synchronization offset from the lowest bit of the H-SFN carried in the indication information to complete synchronization, and n may be selected as 1.
  • the UE only needs to determine the synchronization offset from the lower two bits of the H-SFN carried in the indication information, and then complete the synchronization, and n can be selected as 2.
  • the UE may determine the number of low-order bits of the H-SFN carried by the reference signal based on the indication information, and then determine the corresponding number of low-order bits in the reference signal.
  • the receiving indication information includes at least one of the following:
  • the unicast indication information is received.
  • the base station may send the indication information to the UE in the form of broadcast and/or unicast.
  • the base station may carry the indication information in the broadcast message.
  • the UE may determine from the broadcast message that the reference signal carries the indication information of the state of the H-SFN.
  • the base station may carry the indication information in the existing unicast signaling or newly added dedicated unicast signaling to send the indication information to the UE.
  • the UE may determine from the unicast signaling that the reference signal carries the indication information of the state of the H-SFN.
  • the receiving indication information includes:
  • a second downlink message carrying the indication information is received, wherein the second downlink message is different from the third downlink message carrying the configuration information of the reference signal.
  • the indication information and the configuration information of the reference signal may be carried in the same downlink message and sent to the UE.
  • the UE may at least determine the transmission resource of the reference signal based on the configuration information of the reference signal, and may determine the state that the reference signal carries the H-SFN based on the indication information. In this way, the utilization efficiency of downlink messages is improved.
  • the UE determines the bits of the H-SFN from the reference information.
  • the UE determines the bit of the H-SFN from other information such as a system message.
  • the indication information and the configuration information of the reference signal may also be carried in different downlink messages and sent to the UE. After receiving a downlink message, the UE may at least determine the transmission resource of the reference signal based on the configuration information of the reference signal. After receiving another downlink message, the UE may determine the state that the reference signal carries the H-SFN based on the indication information. In this way, the flexibility of carrying the configuration information and indication information of the reference signal can be improved.
  • the downlink messages include but are not limited to: RRC messages.
  • the method further includes:
  • the activation state of the reference signal is determined, that is, it is determined whether the reference signal is in the activated state.
  • the available state of the reference signal In response to the base station notifying the UE that the reference signal it sends carries at least one bit of the H-SFN, the available state of the reference signal also needs to be notified to the UE in advance by the base station through the reference signal activation indication information.
  • the reference signal activation indication information indicates that the available state of the reference signal, such as TRS or CRS, is expressed as the activation state of the resource:
  • the reference signal activation indication information can indicate that the reference signal is in the active state, the configuration of the reference signal resource is reasonable, and the network is actually sending the reference signal corresponding to the resource; at this time, for the UE, the reference signal is available; the network expects The UE receives the reference signal using the resources of the reference signal.
  • the method further includes at least one of the following: including:
  • the indication information indicates that the reference signal carries at least one bit of the H-SFN, at least determining at least one bit of the H-SFN from the reference signal bits;
  • determining that the reference signal is in an active state In response to determining that the reference signal is in an active state, and the indication information indicates that the reference signal does not carry at least one bit of the H-SFN, determining at least one bit of the H-SFN from a system message .
  • the UE may monitor the reference signal, and determine a state in which the reference signal carries the H-SFN based on the indication information carried by the reference signal.
  • the reference signal activation indication information may indicate that the reference signal is in an inactive state, the configuration of the reference signal resource is unreasonable, or the resource configuration is reasonable but the network is not actually sending the reference signal corresponding to the resource; In other words, the reference signal is not available; the network does not expect the terminal to use the reference signal.
  • the method further includes:
  • the bits of the H-SFN are determined from a system message.
  • the UE may determine the H-SFN based on other information such as system information.
  • the receiving reference signal activation indication information includes at least one of the following:
  • the base station may carry the reference signal activation indication information through broadcast information, for example, by carrying the reference signal activation indication information in the system message.
  • the base station may also carry the reference signal activation indication information through dedicated signaling such as an RRC message or DCI.
  • the receiving indication information includes at least one of the following:
  • the DCI carrying the indication information and the reference signal activation indication information is received.
  • the base station notifies the UE of the activation state of the reference signal through broadcast signaling or dedicated signaling, such as RRC message or DCI, and may also carry indication information to notify the UE whether the reference signal it sends carries at least one bit of the H-SFN. bit.
  • the amount of information carried by broadcast signaling or dedicated signaling, such as RRC messages or DCI, can be increased, thereby increasing transmission efficiency.
  • the method further includes:
  • n is a positive integer greater than or equal to 1 and less than or equal to m, where m is the H - The number of bits of the SFN.
  • the method further includes:
  • bits other than the n bits of the H-SFN are determined from the system message.
  • H-SFN The value range of H-SFN is 0-1023, and 10 bits are required to represent different H-SFNs.
  • the first part has n bits and the second part has 10-n bits.
  • the n bits of the first part can be bits in any position of the H-SFN.
  • the n bits of the first part can be the n bits of the high order of the H-SFN, or the n bits of the low order of the H-SFN. bit.
  • the base station can carry n bits in the reference information and send it to the UE, and carry the other 10-n bits in the downlink information different from the indication information.
  • the other 10-n bits can be carried in the downlink information. It is sent to the UE in SIB1.
  • the base station may also carry all 10 bits of the H-SFN in the reference signal and send it to the UE.
  • the reference signal may be a TRS or a CSI-RS
  • the TRS or CSI-RS may be a shared TRS or CSI-RS, that is, a reference signal that can be used in a connected state, an idle state or an active state at the same time.
  • the network side such as the base station explicitly notifies the terminal and other UE of the reference symbols sent by the UE, that is, whether the reference signal carries H-SFN superframe information.
  • the reference symbol is TRS or CSI-RS.
  • this reference symbol is the TRS or CSI-RS that assists non-connected users to synchronize.
  • the network side explicitly informs the terminal whether the reference symbols it sends carry H-SFN superframe information, including one of the following parameters:
  • the superframe information carried in the reference symbol is the lower N bits of the H-SFN index (index).
  • N number of digits can be agreed in advance by agreement.
  • the network side explicitly informs the terminal whether the reference symbols sent by it carry the H-SFN superframe information.
  • the indication needs to be notified to the user through broadcast signaling or unicast:
  • Mode 1 As an embodiment, the indication information may be carried together in the configuration of the reference symbol.
  • the indication information may not be sent together with the reference symbol configuration, that is, sent separately.
  • the network notifies the terminal that the available state of the TRS or CRS is represented as the activation state of the resource:
  • the active state that is, the configuration of the resource exists reasonably, and the network is actually sending the specific reference signal corresponding to the resource; at this time, it is available to the terminal; the network expects the terminal to use it.
  • Inactive state that is, the configuration of the resource does not exist reasonably, or the configuration of the resource exists reasonably but the network is not actually sending the specific reference signal corresponding to the resource; at this time, it is unavailable for the terminal; The network does not expect end use.
  • the network notifies the terminal of the available status of the reference symbols through broadcast signaling or dedicated signaling (RRC message or DCI), and at the same time carries the information in 3 to inform the terminal whether the reference symbols it sends carry H- Indication information of SFN superframe information.
  • RRC message or DCI dedicated signaling
  • the terminal When the terminal obtains that the reference symbol is currently active and learns that the reference symbol carries superframe information, it can obtain the H-SFN information by using the information carried in the reference symbol;
  • the terminal obtains the lower N H-SFN bits from the reference symbol; the remaining bits need to be continuously obtained from the system message.
  • the system message is an MIB or SIB message.
  • the clock drift of the terminal is within the range of N H-SFN bits and does not need to obtain the superframe information from the system message.
  • the terminal When the terminal obtains that the TRS or CRS is currently in the deactivated state, it needs to fall back to the information carried in the system message to obtain the H-SFN information and synchronize with the network; (it does not take effect during deactivation/activation).
  • the network side displays and informs the terminal whether or not the H-SFN superframe information is carried in the reference symbols issued by the network side, which is only quoted in the scenario where the network supports eDRX.
  • the eDRX supported by the network includes an eDRX in an idle state or an eDRX in an inactive state.
  • An embodiment of the present invention further provides an information transmission apparatus, which is applied to a base station of wireless communication.
  • the information transmission apparatus 100 includes: a first sending module 110, wherein:
  • the first sending module 110 is configured to send indication information indicating that the reference signal carries the state of the super system frame number H-SFN.
  • the indication information is used to indicate whether the reference signal carries at least one bit of the H-SFN.
  • the indication information is used to indicate the number of bits of the H-SFN carried by the reference signal.
  • the indication information is used to indicate the number of low-order bits of the H-SFN carried by the reference signal.
  • the first sending module 110 includes:
  • the first sending sub-module 111 is configured to send a first downlink message that carries both the configuration information of the reference signal and the indication information; wherein the configuration information of the reference signal is at least used to indicate the transmission resources;
  • the second sending submodule 112 is configured to send a second downlink message carrying the indication information, where the second downlink message is different from the third downlink message carrying the configuration information of the reference signal.
  • the apparatus 100 further includes:
  • the second sending module 120 is configured to send reference signal activation indication information in response to the reference signal carrying at least one bit of the H-SFN, where the reference signal activation indication information is used to indicate the reference signal The activation state of the signal.
  • the reference signal includes a tracking reference signal TRS or a channel state indication reference signal CSI-RS.
  • the TRS or CSI-RS is at least used for downlink synchronization for user equipment UEs in an idle state or an inactive state.
  • the apparatus 100 further includes:
  • the third sending module 130 is configured to send the reference signal carrying n bits of the H-SFN, where n is a positive integer greater than or equal to 1 and less than or equal to m, where m is the The number of bits of the H-SFN.
  • the first sending module 110 includes:
  • the third sending submodule 113 is configured to, in response to operating in the extended discontinuous reception eDRX mode, send indication information indicating that the reference signal carries the state of the H-SFN.
  • the eDRX mode includes:
  • Idle eDRX mode or inactive eDRX mode Idle eDRX mode or inactive eDRX mode.
  • An embodiment of the present invention further provides an information transmission apparatus, which is applied to an idle state user equipment UE and/or a non-active state UE of wireless communication.
  • the information transmission apparatus 2000 includes: a first receiving module 2010 and the first determination module 2020, wherein,
  • the first receiving module 2010 is configured to receive indication information
  • the first determining module 2020 is configured to determine, according to the indication information, a state in which the reference signal carries the super system frame number H-SFN.
  • the first determining module 2020 includes:
  • the first determination submodule 2021 is configured to determine whether the reference signal carries at least one bit of the H-SFN according to the indication information.
  • the first determining module 2020 includes:
  • the second determination submodule 2022 is configured to determine, according to the indication information, the number of bits of the H-SFN carried by the reference signal.
  • the second determination sub-module 2022 includes:
  • the determining unit 20221 is configured to determine, according to the indication information, the number of low-order bits of the H-SFN carried by the reference signal.
  • the first receiving module 2010 includes:
  • the first receiving sub-module 2011 is configured to receive a first downlink message that carries both the configuration information of the reference signal and the indication information; wherein the configuration information of the reference signal is at least used to indicate the transmission resources;
  • the second receiving sub-module 2012 is configured to receive a second downlink message that carries the indication information, where the second downlink message is different from the third downlink message that carries the configuration information of the reference signal.
  • the apparatus 200 further includes:
  • the second receiving module 2030 is configured to receive reference signal activation indication information
  • the second determining module 2040 is configured to determine the activation state of the reference signal according to the activation indication information of the reference signal.
  • the apparatus further includes at least one of the following: including:
  • the third determining module 2050 is configured to, in response to determining that the reference signal is in an active state, and the indication information indicates that the reference signal carries at least one bit of the H-SFN, at least determine from the reference signal at least one bit of the H-SFN;
  • the fourth determining module 2060 is configured to, in response to determining that the reference signal is in an active state, and the indication information indicates that the reference signal does not carry at least one bit of the H-SFN, determine the reference signal from the system message At least one bit of H-SFN.
  • the apparatus 2000 further includes:
  • the fifth determining module 2070 is configured to, in response to determining that the reference signal is in an inactive state, determine the bits of the H-SFN from the system message.
  • the reference signal includes a tracking reference signal TRS or a channel state indication reference signal CSI-RS.
  • the TRS or CSI-RS is at least used for downlink synchronization for user equipment UEs in an idle state or an inactive state.
  • the apparatus 200 further includes:
  • a third receiving module 2080 configured to receive the reference signal
  • a sixth determination module 2090 configured to determine, based on the reference signal, the n bits of the H-SFN carried by the reference signal, where n is a positive integer greater than or equal to 1 and less than or equal to m , where m is the number of bits of the H-SFN.
  • the apparatus further includes:
  • the seventh determination module 2100 is configured to, in response to n being less than m, determine bits other than the n bits of the H-SFN from the system message.
  • the first sending module 110, the second sending module 120, the third sending module 130, the first receiving module 2010, the first determining module 2020, the second receiving module 2030, the second determining module 2040, the first The third determination module 2050, the fourth determination module 2060, the fifth determination module 2070, the third receiving module 2080, the sixth determination module 2090, the seventh determination module 2100, etc. can be controlled by one or more central processing units (CPU, Central Processing Unit).
  • CPU Central Processing Unit
  • GPU Graphics Processing Unit
  • BP Baseband Processor
  • ASIC Application Specific Integrated Circuit
  • DSP Programmable Logic Device
  • PLD Programmable Logic Device
  • CPLD Complex Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • General Purpose Processor Controller, Microcontroller (MCU, Micro Controller Unit), Microprocessor (Microprocessor), or other electronic components to implement the aforementioned method.
  • FIG. 6 is a block diagram of an apparatus 3000 for information transmission or information transmission according to an exemplary embodiment.
  • apparatus 3000 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • the apparatus 3000 may include one or more of the following components: a processing component 3002, a memory 3004, a power supply component 3006, a multimedia component 3008, an audio component 3010, an input/output (I/O) interface 3012, a sensor component 3014, And the communication component 3016.
  • the processing component 3002 generally controls the overall operation of the apparatus 3000, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 3002 can include one or more processors 3020 to execute instructions to perform all or part of the steps of the methods described above.
  • processing component 3002 may include one or more modules that facilitate interaction between processing component 3002 and other components.
  • processing component 3002 may include a multimedia module to facilitate interaction between multimedia component 3008 and processing component 3002.
  • Memory 3004 is configured to store various types of data to support operation at device 3000 . Examples of such data include instructions for any application or method operating on the device 3000, contact data, phonebook data, messages, pictures, videos, and the like. Memory 3004 may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power supply assembly 3006 provides power to various components of device 3000.
  • Power supply components 3006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 3000.
  • Multimedia component 3008 includes a screen that provides an output interface between device 3000 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. A touch sensor can sense not only the boundaries of a touch or swipe action, but also the duration and pressure associated with the touch or swipe action.
  • the multimedia component 3008 includes a front-facing camera and/or a rear-facing camera. When the apparatus 3000 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 3010 is configured to output and/or input audio signals.
  • audio component 3010 includes a microphone (MIC) that is configured to receive external audio signals when device 3000 is in operating modes, such as call mode, recording mode, and voice recognition mode.
  • the received audio signal may be further stored in memory 3004 or transmitted via communication component 3016.
  • the audio component 3010 also includes a speaker for outputting audio signals.
  • the I/O interface 3012 provides an interface between the processing component 3002 and a peripheral interface module, such as a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 3014 includes one or more sensors for providing status assessment of various aspects of device 3000 .
  • the sensor assembly 3014 can detect the open/closed state of the device 3000, the relative positioning of the components, such as the display and keypad of the device 3000, the sensor assembly 3014 can also detect the position change of the device 3000 or a component of the device 3000, the user The presence or absence of contact with the device 3000, the orientation or acceleration/deceleration of the device 3000 and the temperature change of the device 3000.
  • Sensor assembly 3014 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 3014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 3014 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 3016 is configured to facilitate wired or wireless communication between apparatus 3000 and other devices.
  • the apparatus 3000 may access a wireless network based on a communication standard, such as Wi-Fi, 2G or 3G, or a combination thereof.
  • the communication component 3016 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 3016 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 3000 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as memory 3004 including instructions, which are executable by the processor 3020 of the apparatus 3000 to perform the above method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente divulgation concernent un procédé et un appareil de transmission d'informations, ainsi qu'un dispositif de communication et un support de stockage. Une station de base envoie des informations d'indication indiquant l'état d'un signal de référence comportant un numéro de trame hyper-système (H-SFN).
PCT/CN2021/071867 2021-01-14 2021-01-14 Appareil et procédé de transmission d'informations, dispositif de communication et support de stockage WO2022151217A1 (fr)

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CN202180000222.1A CN115088309A (zh) 2021-01-14 2021-01-14 信息传输方法、装置、通信设备和存储介质
PCT/CN2021/071867 WO2022151217A1 (fr) 2021-01-14 2021-01-14 Appareil et procédé de transmission d'informations, dispositif de communication et support de stockage

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WO2018232569A1 (fr) * 2017-06-19 2018-12-27 华为技术有限公司 Procédé de détermination de numéro de trame hyper-système, procédé et dispositif de communication

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